
Roasted Celeriac Steaks with Tarragon Mustard Sauce and Crispy Shallot Topping
Looking to impress your taste buds with something uniquely delicious? These roasted celeriac steaks are hearty, savory, and topped with a tangy tarragon mustard sauce. And oh, those crispy shallots? Pure magic! Let’s turn this humble root veggie into the star of your table.
4.5 out of 5 (2 ratings)

Prep Time
20 minutes
Cook Time
40 minutes
Servings
4 servings
Cuisine
European
Ingredients
- •1 large celeriac (celery root), peeled and sliced into 1-inch thick steaks
- •2 tablespoons olive oil
- •1 teaspoon sea salt
- •1/2 teaspoon freshly ground black pepper
- •2 medium shallots, thinly sliced
- •1/4 cup all-purpose flour
- •1/4 cup vegetable oil (for frying)
- •2 tablespoons Dijon mustard
- •1 tablespoon whole-grain mustard
- •1/4 cup fresh tarragon, finely chopped
- •1 clove garlic, minced
- •1/2 cup heavy cream
- •1 teaspoon lemon juice
- •1/2 teaspoon honey (optional)
Instructions
- 1
Preheat the oven to 400°F (200°C) and line a baking sheet with parchment paper.
- 2
Brush both sides of celeriac steaks with olive oil and season with sea salt and black pepper.
- 3
Place the celeriac steaks on the prepared baking sheet and roast in the oven for 30–35 minutes, flipping midway, until golden and tender.
- 4
While the celeriac is roasting, prepare the crispy shallot topping. Toss the sliced shallots in the all-purpose flour to coat evenly.
- 5
Heat the vegetable oil in a skillet over medium heat. Fry the floured shallots in batches until golden brown and crispy, about 2–3 minutes per batch. Transfer to a paper towel-lined plate and set aside.
- 6
In a small saucepan over medium heat, combine Dijon mustard, whole-grain mustard, chopped tarragon, minced garlic, and heavy cream. Cook, stirring continuously, until the sauce thickens slightly, about 3–4 minutes.
- 7
Add the lemon juice and honey to the sauce and stir to combine. Adjust seasoning with salt and pepper, if needed.
- 8
Remove the roasted celeriac steaks from the oven and arrange them on a serving platter. Drizzle with the tarragon mustard sauce and sprinkle the crispy shallots on top.
- 9
Serve immediately as a flavorful and elegant main course.
Nutrition Information
Calories
280 calories
Protein
3g
Carbs
19g
Fat
20g
Frequently Asked Questions
Q: Can I substitute celeriac with another vegetable?
A: Yes, you can substitute celeriac with other sturdy root vegetables like rutabaga, turnips, or even thick slices of cauliflower. Keep in mind that cooking times may vary depending on the vegetable, so check for tenderness as you roast.
Q: What can I use instead of heavy cream in the sauce?
A: You can substitute heavy cream with coconut cream or cashew cream for a dairy-free option. Alternatively, half-and-half or Greek yogurt (thinned with a little water) can also work, though the sauce may have a slightly different texture and flavor.
Q: How do I store leftovers, and can I reheat them?
A: Store leftover celeriac steaks and sauce separately in airtight containers in the refrigerator for up to 3 days. Reheat the steaks in a 350°F (175°C) oven for 10–15 minutes until warmed through. Gently reheat the sauce in a saucepan over low heat, stirring occasionally to prevent it from separating.
Q: My shallots didn't turn out crispy. What could have gone wrong?
A: If your shallots are not crispy, it might be due to too low of an oil temperature or not frying them in batches. Make sure the oil is heated to medium (around 350°F or 175°C) and fry the shallots in single-layer batches. Overcrowding the skillet can lower the oil temperature and lead to soggy results.
Q: Can I make the sauce ahead of time?
A: Yes, you can prepare the sauce up to 2 days in advance. Store it in an airtight container in the refrigerator. Reheat it gently over low heat, stirring occasionally, and add a splash of water or cream if it has thickened too much.
Q: Are there other herbs I can use instead of tarragon?
A: If you don’t have tarragon, you can substitute it with fresh parsley, dill, or chives for a slightly different flavor profile. However, tarragon’s unique anise-like flavor is part of what makes this dish special.
Q: What are some good side dishes to serve with this recipe?
A: This dish pairs well with roasted vegetables like carrots or Brussels sprouts, a side of creamy mashed potatoes, or a light green salad with a tangy vinaigrette. For a more filling meal, you could also serve it with quinoa or wild rice.
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